Climate Insights for Butwal
Rupandehi, Lumbini Province, Nepal
Climate Overview
The climate in Butwal is warm and mild. The average annual temperature is 22°C and approximately 2,329 mm of precipitation falls per year. July is the wettest month, receiving around 659 mm of rainfall. Butwal is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, June, May. The coldest months are January, December, February, when temperatures can drop to 8°C.The climate in Butwal is warm and mild. The average annual temperature is 71°F and approximately 91.7 in of precipitation falls per year. July is the wettest month, receiving around 25.9 in of rainfall. Butwal is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, June, May. The coldest months are January, December, February, when temperatures can drop to 46°F.
Temperature
Temperatures in Butwal vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is April, when average highs reach 32°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 8°C and an average of 12°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 5°C shift in average temperatures.Temperatures in Butwal vary considerably across the year, with a 43°F difference between the coldest and warmest months. The warmest month is April, when average highs reach 89°F and the mean temperature sits around 77°F. January is the coolest month, with minimum temperatures around 46°F and an average of 54°F. On average, daily temperatures fluctuate by about 17°F between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 9°F shift in average temperatures.
Precipitation
Butwal is a very wet location, receiving approximately 2,329 mm of precipitation annually, which averages out to around 194 mm per month. The wettest month is July, averaging 659 mm of rainfall. August and September also tend to see above-average precipitation. The driest month is December, with just 7 mm. That's 652 mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Butwal is a very wet location, receiving approximately 91.7 in of precipitation annually, which averages out to around 7.6 in per month. The wettest month is July, averaging 25.9 in of rainfall. August and September also tend to see above-average precipitation. The driest month is December, with just 0.3 in. That's 25.7 in less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Butwal is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.Butwal is relatively calm, with an average annual wind speed of 3mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is April, averaging 4mph, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1mph gap between the calmest and windiest months.
Best Time to Visit
The best time to visit Butwal is during February, March, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 37 mm per month. By contrast, April can be uncomfortably hot with highs reaching 32°C, while January is the coldest period with lows dropping to 8°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Butwal is during February, March, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 67°F with modest rainfall averaging 1.5 in per month. By contrast, April can be uncomfortably hot with highs reaching 89°F, while January is the coldest period with lows dropping to 46°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Butwal based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Butwal based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.